rtcapi.h File Reference

#include <crtdefs.h>

Include dependency graph for rtcapi.h:

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Classes
struct	_RTC_vardesc
struct	_RTC_framedesc
struct	_RTC_ALLOCA_NODE

Macros
#define	_RTCINTERNAL_DEPRECATED
#define	_RTC_ERRTYPE_IGNORE   -1
#define	_RTC_ERRTYPE_ASK   -2

Typedefs
typedef enum _RTC_ErrorNumber	_RTC_ErrorNumber
typedef int(__cdecl *	_RTC_error_fn) (int, const char *, int, const char *, const char *,...)
typedef int(__cdecl *	_RTC_error_fnW) (int, const wchar_t *, int, const wchar_t *, const wchar_t *,...)
typedef struct _RTC_vardesc	_RTC_vardesc
typedef struct _RTC_framedesc	_RTC_framedesc
typedef struct _RTC_ALLOCA_NODE	_RTC_ALLOCA_NODE

Enumerations
enum	_RTC_ErrorNumber {   _RTC_CHKSTK = 0 , _RTC_CVRT_LOSS_INFO , _RTC_CORRUPT_STACK , _RTC_UNINIT_LOCAL_USE ,   _RTC_CORRUPTED_ALLOCA , _RTC_ILLEGAL }

Functions
int __cdecl	_RTC_NumErrors (void)
const char *__cdecl	_RTC_GetErrDesc (_RTC_ErrorNumber _Errnum)
int __cdecl	_RTC_SetErrorType (_RTC_ErrorNumber _Errnum, int _ErrType)
_RTC_error_fn __cdecl	_RTC_SetErrorFunc (_RTC_error_fn)
_RTC_error_fnW __cdecl	_RTC_SetErrorFuncW (_RTC_error_fnW)
void __cdecl	_RTC_Initialize (void)
void __cdecl	_RTC_Terminate (void)
_RTC_error_fn __cdecl	_CRT_RTC_INIT (void *_Res0, void **_Res1, int _Res2, int _Res3, int _Res4)
_RTC_error_fnW __cdecl	_CRT_RTC_INITW (void *_Res0, void **_Res1, int _Res2, int _Res3, int _Res4)
char __fastcall	_RTC_Check_2_to_1 (short _Src)
char __fastcall	_RTC_Check_4_to_1 (int _Src)
__MINGW_EXTENSION char __fastcall	_RTC_Check_8_to_1 (__int64 _Src)
short __fastcall	_RTC_Check_4_to_2 (int _Src)
__MINGW_EXTENSION short __fastcall	_RTC_Check_8_to_2 (__int64 _Src)
__MINGW_EXTENSION int __fastcall	_RTC_Check_8_to_4 (__int64 _Src)
void __fastcall	_RTC_CheckStackVars (void *_Esp, _RTC_framedesc *_Fd)
void __fastcall	_RTC_CheckStackVars2 (void *_Esp, _RTC_framedesc *_Fd, _RTC_ALLOCA_NODE *_AllocaList)
void __fastcall	_RTC_AllocaHelper (_RTC_ALLOCA_NODE *_PAllocaBase, size_t _CbSize, _RTC_ALLOCA_NODE **_PAllocaInfoList)
void __cdecl	_RTC_UninitUse (const char *_Varname)
void __cdecl	_RTC_Shutdown (void)
void __cdecl	_RTC_InitBase (void)

Macro Definition Documentation

_RTC_ERRTYPE_ASK

#define _RTC_ERRTYPE_ASK   -2

Definition at line 24 of file rtcapi.h.

_RTC_ERRTYPE_IGNORE

#define _RTC_ERRTYPE_IGNORE   -1

Definition at line 23 of file rtcapi.h.

_RTCINTERNAL_DEPRECATED

#define _RTCINTERNAL_DEPRECATED

This file has no copyright assigned and is placed in the Public Domain. This file is part of the w64 mingw-runtime package. No warranty is given; refer to the file DISCLAIMER within this package.

Definition at line 13 of file rtcapi.h.

Typedef Documentation

_RTC_ALLOCA_NODE

typedef struct _RTC_ALLOCA_NODE _RTC_ALLOCA_NODE

_RTC_error_fn

typedef int(__cdecl * _RTC_error_fn) (int, const char *, int, const char *, const char *,...)

Definition at line 26 of file rtcapi.h.

_RTC_error_fnW

typedef int(__cdecl * _RTC_error_fnW) (int, const wchar_t *, int, const wchar_t *, const wchar_t *,...)

Definition at line 27 of file rtcapi.h.

_RTC_ErrorNumber

typedef enum _RTC_ErrorNumber _RTC_ErrorNumber

_RTC_framedesc

typedef struct _RTC_framedesc _RTC_framedesc

_RTC_vardesc

typedef struct _RTC_vardesc _RTC_vardesc

Enumeration Type Documentation

_RTC_ErrorNumber

enum _RTC_ErrorNumber

Enumerator
_RTC_CHKSTK
_RTC_CVRT_LOSS_INFO
_RTC_CORRUPT_STACK
_RTC_UNINIT_LOCAL_USE
_RTC_CORRUPTED_ALLOCA
_RTC_ILLEGAL

Definition at line 19 of file rtcapi.h.

                                {
    _RTC_CHKSTK = 0,_RTC_CVRT_LOSS_INFO,_RTC_CORRUPT_STACK,_RTC_UNINIT_LOCAL_USE,_RTC_CORRUPTED_ALLOCA,_RTC_ILLEGAL
  } _RTC_ErrorNumber;

Function Documentation

_CRT_RTC_INIT()

_RTC_error_fn __cdecl _CRT_RTC_INIT	(	void *	_Res0,
		void **	_Res1,
		int	_Res2,
		int	_Res3,
		int	_Res4
	)

_CRT_RTC_INITW()

_RTC_error_fnW __cdecl _CRT_RTC_INITW	(	void *	_Res0,
		void **	_Res1,
		int	_Res2,
		int	_Res3,
		int	_Res4
	)

Definition at line 65 of file mscmain.c.

{
    return &Catch_RTC_Failure;
}

Referenced by _RTC_InitBase().

_RTC_AllocaHelper()

void __fastcall _RTC_AllocaHelper	(	_RTC_ALLOCA_NODE *	_PAllocaBase,
		size_t	_CbSize,
		_RTC_ALLOCA_NODE **	_PAllocaInfoList
	)

Definition at line 192 of file rtcapi.c.

{
    unsigned long i;
 
    /* Check if we got any allocation */
    if ((_PAllocaBase != 0) &&
        (_CbSize != 0) &&
        (_PAllocaInfoList != 0))
    {
        /* Mark the whole range */
        char *guard = (char*)_PAllocaBase;
        for (i = 0; i < _CbSize; i++)
        {
            guard[i] = 0xCC;
        }
 
        /* Initialize the alloca base frame */
        _PAllocaBase->allocaSize = _CbSize;
 
        /* Insert this frame into the alloca list */
        _PAllocaBase->next = *_PAllocaInfoList;
        *_PAllocaInfoList = _PAllocaBase;
    }
}

_RTC_Check_2_to_1()

char __fastcall _RTC_Check_2_to_1

(

short

_Src

)

_RTC_Check_4_to_1()

char __fastcall _RTC_Check_4_to_1

(

int

_Src

)

_RTC_Check_4_to_2()

short __fastcall _RTC_Check_4_to_2

(

int

_Src

)

_RTC_Check_8_to_1()

__MINGW_EXTENSION char __fastcall _RTC_Check_8_to_1

(

__int64

_Src

)

_RTC_Check_8_to_2()

__MINGW_EXTENSION short __fastcall _RTC_Check_8_to_2

(

__int64

_Src

)

_RTC_Check_8_to_4()

__MINGW_EXTENSION int __fastcall _RTC_Check_8_to_4

(

__int64

_Src

)

_RTC_CheckStackVars()

void __fastcall _RTC_CheckStackVars	(	void *	_Esp,
		_RTC_framedesc *	_Fd
	)

Definition at line 129 of file rtcapi.c.

{
    int i, *guard1, *guard2;
 
    /* Loop all variables in the descriptor */
    for (i = 0; i < _Fd->varCount; i++)
    {
        /* Get the 2 guards below and above the variable */
        guard1 = (int*)((char*)_Esp + _Fd->variables[i].addr - sizeof(*guard1));
        guard2 = (int*)((char*)_Esp + _Fd->variables[i].addr +_Fd->variables[i].size);
 
        /* Check if they contain the guard bytes */
        if ((*guard1 != 0xCCCCCCCC) || (*guard2 != 0xCCCCCCCC))
        {
            _RTC_pErrorFuncW(_RTC_CORRUPT_STACK,
                             L"unknown file",
                             -1,
                             L"unknown module",
                             L"Stack corruption near '%s'\n",
                             _Fd->variables[i].name);
        }
    }
}

Referenced by _RTC_CheckStackVars2().

_RTC_CheckStackVars2()

void __fastcall _RTC_CheckStackVars2	(	void *	_Esp,
		_RTC_framedesc *	_Fd,
		_RTC_ALLOCA_NODE *	_AllocaList
	)

Definition at line 157 of file rtcapi.c.

{
    _RTC_ALLOCA_NODE *current;
    int *guard;
 
    /* Process normal variables */
    _RTC_CheckStackVars(_Esp, _Fd);
 
    /* Process the alloca list */
    for (current = _AllocaList; current != 0; current = current->next)
    {
        /* Get the upper guard */
        guard = (int*)((char*)current + current->allocaSize - sizeof(*guard));
 
        /* Check if all guard locations are still ok */
        if ((current->guard1 != 0xCCCCCCCC) ||
            (current->guard2[0] != 0xCCCCCCCC) ||
            (current->guard2[1] != 0xCCCCCCCC) ||
            (current->guard2[2] != 0xCCCCCCCC) ||
            (*guard != 0xCCCCCCCC))
        {
            _RTC_pErrorFuncW(_RTC_CORRUPTED_ALLOCA,
                             L"unknown file",
                             -1,
                             L"unknown module",
                             L"Stack corruption in alloca frame\n");
        }
    }
}

_RTC_GetErrDesc()

const char *__cdecl _RTC_GetErrDesc

(

_RTC_ErrorNumber

_Errnum

)

Definition at line 44 of file rtcuserapi.c.

{
    if (_Errnum < (sizeof(_RTC_ErrorDescription) / sizeof(_RTC_ErrorDescription[0])))
    {
        return _RTC_ErrorDescription[_Errnum];
    }
 
    return "Invalid/Unknown error.";
}

_RTC_InitBase()

void __cdecl _RTC_InitBase

(

void

)

Definition at line 69 of file rtcapi.c.

{
    static char initialized = 0;
    _RTC_error_fnW errorFunc;
 
    if (!initialized)
    {
        errorFunc = _CRT_RTC_INITW(0, 0, 0, 1, 0);
        _RTC_SetErrorFuncW(errorFunc);
        initialized = 1;
    }
}

Referenced by _RTC_Initialize().

_RTC_Initialize()

void __cdecl _RTC_Initialize

(

void

)

Definition at line 91 of file rtcapi.c.

{
    /* Usually this function would walk an array of function pointers and call
       each of these, like done with global ctors, but since these are currently
       only _RTC_InitBase, we simply call that function once. */
    _RTC_InitBase();
}

Referenced by __main().

_RTC_NumErrors()

int __cdecl _RTC_NumErrors

(

void

)

Definition at line 35 of file rtcuserapi.c.

{
    /* Not supported yet */
    __debugbreak();
    return 0;
}

_RTC_SetErrorFunc()

_RTC_error_fn __cdecl _RTC_SetErrorFunc

(

_RTC_error_fn

new_fn

)

Definition at line 68 of file rtcuserapi.c.

{
    /* Not supported yet */
    __debugbreak();
    return 0;
}

_RTC_SetErrorFuncW()

_RTC_error_fnW __cdecl _RTC_SetErrorFuncW

(

_RTC_error_fnW

new_fn

)

Definition at line 78 of file rtcuserapi.c.

{
    _RTC_error_fnW old_fn;
 
    /* Get the current error func */
    old_fn = _RTC_pErrorFuncW;
 
    /* Set the new function or reset when 0 was passed */
    _RTC_pErrorFuncW = new_fn ? new_fn : _RTC_DefaultErrorFuncW;
 
    /* Return the old error func, or 0, if none was set */
    return old_fn != _RTC_DefaultErrorFuncW ? old_fn : 0;
}

Referenced by _RTC_InitBase().

_RTC_SetErrorType()

int __cdecl _RTC_SetErrorType	(	_RTC_ErrorNumber	_Errnum,
		int	_ErrType
	)

Definition at line 57 of file rtcuserapi.c.

{
    /* Not supported yet */
    __debugbreak();
    return 0;
}

_RTC_Shutdown()

void __cdecl _RTC_Shutdown

(

void

)

Definition at line 84 of file rtcapi.c.

{
    __debugbreak();
}

_RTC_Terminate()

void __cdecl _RTC_Terminate

(

void

)

_RTC_UninitUse()

void __cdecl _RTC_UninitUse

(

const char *

_Varname

)

Definition at line 116 of file rtcapi.c.

{
    _RTC_pErrorFuncW(_RTC_UNINIT_LOCAL_USE,
                     L"unknown file",
                     -1,
                     L"unknown module",
                     L"Use of uninitialized variable %S!\n",
                     _Varname);
}